:root{color-scheme:dark;--ink:#f7f3ec;--muted:#aaa59b;--night:#110f0b;--panel:#1b1812;--line:#484134;--lime:#c9f45b;--amber:#f4b95e;--display:"Arial Black","Helvetica Neue",Arial,sans-serif;--body:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{min-width:280px;background:var(--night)}body{min-height:100vh;margin:0;color:var(--ink);background:radial-gradient(circle at 82% 5%,rgba(244,185,94,.11),transparent 30rem),var(--night);font-family:var(--body);line-height:1.5}a{color:inherit}button{color:inherit;font:inherit}.site-header,main,footer{width:min(1080px,calc(100% - 40px));margin-inline:auto}.site-header{display:flex;align-items:center;justify-content:space-between;min-height:78px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:11px;font-weight:850;text-decoration:none}.brand-mark{display:grid;width:34px;height:34px;place-items:center;color:var(--night);background:var(--lime);border-radius:9px;font-family:var(--display)}.site-header p{margin:0;color:var(--muted);font-size:.7rem;font-weight:800;letter-spacing:.13em;text-transform:uppercase}.site-header p span,.eyebrow{color:var(--amber)}.intro{display:grid;grid-template-columns:1fr minmax(260px,400px);gap:60px;align-items:end;padding:58px 0 36px}.intro>p{margin-bottom:3px;color:var(--muted)}.eyebrow{margin:0 0 10px;font-size:.72rem;font-weight:850;letter-spacing:.18em;text-transform:uppercase}h1,h2,p{margin-top:0}h1{margin-bottom:0;font-family:var(--display);font-size:clamp(3.4rem,8vw,6.4rem);line-height:.86;letter-spacing:-.07em}.game-shell{max-width:850px;margin-inline:auto;overflow:hidden;background:var(--panel);border:1px solid var(--line);border-radius:17px}.size-picker{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border-bottom:1px solid var(--line)}.size-picker button{display:grid;gap:1px;min-height:58px;padding:10px 16px;text-align:left;background:var(--panel);border:0;cursor:pointer}.size-picker button[aria-pressed="true"]{color:var(--night);background:var(--amber)}.size-picker strong{font-size:.82rem}.size-picker span{color:var(--muted);font-size:.66rem}.size-picker button[aria-pressed="true"] span{color:#543713}.game-bar{display:grid;grid-template-columns:auto 1fr auto;gap:16px;align-items:center;padding:12px 15px;border-bottom:1px solid var(--line)}.game-bar>div{display:grid}.game-bar span{color:var(--muted);font-size:.58rem;font-weight:850;letter-spacing:.12em;text-transform:uppercase}.game-bar strong{color:var(--lime);font:850 1.25rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.game-bar p{margin:0;color:var(--muted);font-size:.72rem;text-align:center}.game-bar button{min-height:40px;padding:0 12px;background:transparent;border:1px solid #5e5749;border-radius:8px;font-size:.72rem;font-weight:800;cursor:pointer}.game-bar button:hover,.game-bar button:focus-visible{color:var(--night);background:var(--lime);border-color:var(--lime)}.tools{display:flex;justify-content:center;gap:8px;padding:12px}.tools button{display:flex;align-items:center;gap:8px;min-height:46px;padding:5px 14px;background:#29241b;border:1px solid #5d5545;border-radius:8px;font-weight:800;cursor:pointer}.tools button[aria-pressed="true"]{color:var(--night);background:var(--lime);border-color:var(--lime)}.tools i{display:grid;width:22px;aspect-ratio:1;place-items:center;background:#eee6d6;border:1px solid #857b68;color:#282116;font-style:normal}.tools button:first-child i{background:#282116}.puzzle-layout{display:grid;grid-template-columns:minmax(48px,90px) minmax(0,560px);grid-template-rows:minmax(55px,90px) auto;justify-content:center;padding:5px 20px 24px}.puzzle-layout[data-size="5"]{grid-template-columns:minmax(48px,80px) minmax(0,430px);max-width:600px;margin:auto}.column-clues{display:grid;grid-template-columns:repeat(var(--size),1fr);align-items:end}.column-clues>div{display:flex;flex-direction:column;align-items:center;justify-content:end;min-width:0;padding-bottom:6px;color:var(--muted);font:800 clamp(.58rem,1.5vw,.75rem)/1.15 ui-monospace,SFMono-Regular,Menlo,monospace}.row-clues{display:grid;grid-template-rows:repeat(var(--size),1fr)}.row-clues>div{display:flex;align-items:center;justify-content:end;padding-right:8px;color:var(--muted);font:800 clamp(.58rem,1.5vw,.75rem)/1 ui-monospace,SFMono-Regular,Menlo,monospace;word-spacing:3px}.board{display:grid;grid-template-columns:repeat(var(--size),1fr);aspect-ratio:1;background:#756d5c;border:2px solid #b9ad96;touch-action:manipulation}.cell{position:relative;min-width:0;padding:0;background:#f1eadc;border:0;border-right:1px solid #9f9581;border-bottom:1px solid #9f9581;cursor:pointer}.cell--right-divider{border-right:3px solid #4f493d}.cell--bottom-divider{border-bottom:3px solid #4f493d}.cell--filled{background:#252018}.cell--marked::before,.cell--marked::after{content:"";position:absolute;top:18%;left:48%;width:2px;height:64%;background:#9a5e45;transform:rotate(45deg)}.cell--marked::after{transform:rotate(-45deg)}.cell--selected{outline:3px solid var(--lime);outline-offset:-3px;z-index:2}.cell:hover,.cell:focus-visible{outline:3px solid var(--amber);outline-offset:-3px;z-index:2}.rules{display:grid;grid-template-columns:1fr 1fr;gap:clamp(50px,9vw,110px);padding:90px 0}.rules h2{margin:0;font-family:var(--display);font-size:clamp(2rem,4vw,3.8rem);line-height:.98;letter-spacing:-.05em}.rules>p{margin:0;color:var(--muted)}footer{display:flex;justify-content:space-between;padding:28px 0 42px;color:var(--muted);border-top:1px solid var(--line);font-size:.8rem}footer a{color:var(--ink);font-weight:750;text-decoration:none}footer p{margin:0}@media(max-width:680px){.site-header,main,footer{width:min(100% - 20px,620px)}.site-header{min-height:64px}.intro{grid-template-columns:1fr;gap:18px;padding:38px 0 27px}.game-shell{border-radius:12px}.game-bar{grid-template-columns:auto auto}.game-bar p{grid-column:1/-1;grid-row:2}.game-bar button{justify-self:end}.tools{display:grid;grid-template-columns:1fr 1fr}.tools button{justify-content:center;padding-inline:8px}.tools button:last-child{grid-column:1/-1}.puzzle-layout,.puzzle-layout[data-size="5"]{grid-template-columns:54px minmax(0,1fr);grid-template-rows:68px auto;padding:2px 8px 16px}.column-clues>div,.row-clues>div{font-size:clamp(.52rem,2.4vw,.68rem)}.rules{grid-template-columns:1fr;gap:22px;padding:72px 0 82px}}@media(max-width:430px){.intro h1{font-size:clamp(3rem,16vw,4.3rem)}.size-picker button{padding:9px 10px}.tools{gap:5px;padding:8px}.tools button{min-height:43px;font-size:.72rem}.puzzle-layout,.puzzle-layout[data-size="5"]{grid-template-columns:48px minmax(0,1fr);grid-template-rows:62px auto;padding-inline:5px}.rules{padding-top:68px}footer{display:block}footer p{margin-top:6px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}